WORLD BUSINESS BRIEFING: ASIA; KOREA TELECOM-I.B.M. ALLIANCE

South Korea's largest phone company, Korea Telecom, formed an alliance with the local unit of the International Business Machines Corporation to provide a range of Internet services in South Korea. Under the deal, I.B.M. will provide technology that will help Korea Telecom to set up a nationwide network to provide various Internet-related services. Korea Telecom plans to invest about 500 billion won, or $441.5 million, to establish its Internet network by 2003. Samuel Len